1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
|
/*
* Copyright (C) 2022 Shanghai Eastsoft Microelectronics Co., Ltd.
*
* SPDX-License-Identifier: Apache-2.0
*
* Licensed under the Apache License, Version 2.0 (the License); you may
* not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an AS IS BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* Change Logs:
* Date Author Notes
* 2022-02-10 Lisq the first version
*/
#include "board.h"
/**
* @addtogroup es32
*/
/*@{*/
/*******************************************************************************
* Function Name : SystemClock_Configuration
* Description : Configures the System Clock.
* Input : None
* Output : None
* Return : None
*******************************************************************************/
void SystemClock_Config(void)
{
/* Configure system clock */
ald_cmu_pll_config(ALD_CMU_PLL_INPUT_HOSC8M, ALD_CMU_PLL_OUTPUT_72M);
ald_cmu_clock_config(ALD_CMU_CLOCK_PLL, 72000000);
/* Enable all peripherals */
ald_cmu_perh_clock_config(ALD_CMU_PERH_ALL, ENABLE);
__enable_irq();
}
/*******************************************************************************
* Function Name : SysTick_Configuration
* Description : Configures the SysTick for OS tick.
* Input : None
* Output : None
* Return : None
*******************************************************************************/
void SysTick_Configuration(void)
{
ald_cmu_init();
}
/**
* This is the timer interrupt service routine.
*
*/
void __attribute__((interrupt)) CLINT_Handler(void)
{
/* enter interrupt */
rt_interrupt_enter();
csi_coret_clr(ald_cmu_get_clock() / RT_TICK_PER_SECOND, CLINT_IRQn);
ald_inc_tick();
rt_tick_increase();
/* leave interrupt */
rt_interrupt_leave();
}
void __attribute__((interrupt)) DMA_Handler(void)
{
/* enter interrupt */
rt_interrupt_enter();
ald_dma_irq_handler();
/* leave interrupt */
rt_interrupt_leave();
}
/*@}*/
/**
* This function will initial ES32F0 board.
*/
void rt_hw_board_init(void)
{
csi_vic_set_prio(MACHINE_MODE_SOFT_IRQn, 0);
csi_vic_enable_sirq(MACHINE_MODE_SOFT_IRQn);
CLIC->CLICINT[MACHINE_MODE_SOFT_IRQn].ATTR |= (3);
csi_vic_set_prio(DMA_IRQn, 4);
csi_vic_enable_sirq(DMA_IRQn);
csi_cpu_sleep_wfi(MEXSTATUS_SLEEP_DEEP);
/*System Clock Configuration */
SystemClock_Config();
/* Configure the SysTick */
SysTick_Configuration();
#ifdef RT_USING_HEAP
rt_system_heap_init((void *)HEAP_BEGIN, (void *)HEAP_END);
#endif
#ifdef RT_USING_COMPONENTS_INIT
rt_components_board_init();
#endif
#if defined(RT_USING_CONSOLE) && defined(RT_USING_DEVICE)
rt_console_set_device(RT_CONSOLE_DEVICE_NAME);
#endif
}
/**
* This function will delay for some us.
*
* @param us the delay time of us
*/
void rt_hw_us_delay(rt_uint32_t us)
{
unsigned int start, now, delta, reload, us_tick;
start = CORET->MTIME;
reload = CORET->MTIMECMP;
us_tick = ald_cmu_get_clock() / 1000000UL;
do
{
now = CORET->MTIME;
delta = start > now ? start - now : reload + start - now;
}
while (delta < us_tick * us);
}
void rt_trigger_software_interrupt(void)
{
*((uint8_t*)0xE080100C) = 0x1;
}
void rt_hw_do_after_save_above(void)
{
}
|
